<%@ page contentType="text/html;charset=UTF-8" language="java" isELIgnored="false" pageEncoding="UTF-8" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jstl/core_rt" %>
<%@ taglib prefix="fmt" uri="http://java.sun.com/jstl/fmt_rt" %>
<%@taglib uri="http://java.sun.com/jsp/jstl/functions" prefix="fn" %>

<html>
<head>
    <title>登录页</title>
    <%--echart线图、柱状图、饼图等各种图型库 cdn--%>
    <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/echarts/5.4.3/echarts.min.js"></script>
    <%--jquery cdn--%>
    <script type="text/javascript" src="https://cdn.bootcdn.net/ajax/libs/jquery/3.6.1/jquery.js"></script>
</head>
<body>

<form action="/add.do" method="post" enctype="multipart/form-data">
    名称 <input name="name" ><br>
    地址 <input name="address" ><br>

    省份 <select  onchange="getCity()" name="provinceId">
    <option value="">请选择</option>
    <c:forEach items="${provinceList}" var="p">
        <option        value="${p.id}">${p.name}</option>
    </c:forEach>a
</select><br>

    城市 <select name="cityId" onchange="getQu()">
    <option value="">请选择</option>
</select><br>
    区 <select name="quId">
    <option value="">请选择</option>
</select><br>

    图片 <input type="file" name="picFile"><br>

    <input type="submit" value="添加">


</form>

<script>

    //二级联动方案1
    // getCity(); //在页面加载完之后 自动根据省份 获取 城市列表


    function getQu() {
        let cityId = $('[name=cityId]').val();

        $.ajax({
            url:'getQu.do?cityId=' + cityId,
            success:function (res) {
                console.log(res)
                $('[name=quId]').empty();
                $('[name=quId]').append('<option value="">请选择</option>')

                for (let i = 0; i < res.length; i++) {
                    let id = res[i].id;
                    let name = res[i].name;
                    $('[name=quId]').append('<option value='+id+'>'+name+'</option>')
                }
                // 二级联动方案1
                <%--$('[name=cityId]').val(${query.cityId==null ?'':query.cityId})--%>

            }})

        }


    function getCity() {
        let provinceId = $('[name=provinceId]').val();

        $.ajax({
            url:'getCity.do?provinceId=' + provinceId,
            success:function (res) {
                console.log(res)
                $('[name=cityId]').empty();
                $('[name=cityId]').append('<option value="">请选择</option>')

                for (let i = 0; i < res.length; i++) {
                    let id = res[i].id;
                    let name = res[i].name;
                    $('[name=cityId]').append('<option value='+id+'>'+name+'</option>')
                }
                // 二级联动方案1
                <%--$('[name=cityId]').val(${query.cityId==null ?'':query.cityId})--%>

            }


        })

    }


</script>
</body>
</html>